diff --git a/core/api/current.txt b/core/api/current.txt
index 7ab234a..95af71c 100644
--- a/core/api/current.txt
+++ b/core/api/current.txt
@@ -4369,7 +4369,7 @@
     method public final android.media.session.MediaController getMediaController();
     method @NonNull public android.view.MenuInflater getMenuInflater();
     method @NonNull public android.window.OnBackInvokedDispatcher getOnBackInvokedDispatcher();
-    method public final android.app.Activity getParent();
+    method @Deprecated public final android.app.Activity getParent();
     method @Nullable public android.content.Intent getParentActivityIntent();
     method public android.content.SharedPreferences getPreferences(int);
     method @Nullable public android.net.Uri getReferrer();
@@ -4387,7 +4387,7 @@
     method public void invalidateOptionsMenu();
     method public boolean isActivityTransitionRunning();
     method public boolean isChangingConfigurations();
-    method public final boolean isChild();
+    method @Deprecated public final boolean isChild();
     method public boolean isDestroyed();
     method public boolean isFinishing();
     method public boolean isImmersive();
diff --git a/core/java/android/app/Activity.java b/core/java/android/app/Activity.java
index 5674a10..5d4d5e2 100644
--- a/core/java/android/app/Activity.java
+++ b/core/java/android/app/Activity.java
@@ -1174,12 +1174,23 @@
         return mApplication;
     }
 
-    /** Is this activity embedded inside of another activity? */
+    /**
+     * Whether this is a child {@link Activity} of an {@link ActivityGroup}.
+     *
+     * @deprecated {@link ActivityGroup} is deprecated.
+     */
+    @Deprecated
     public final boolean isChild() {
         return mParent != null;
     }
 
-    /** Return the parent activity if this view is an embedded child. */
+    /**
+     * Returns the parent {@link Activity} if this is a child {@link Activity} of an
+     * {@link ActivityGroup}.
+     *
+     * @deprecated {@link ActivityGroup} is deprecated.
+     */
+    @Deprecated
     public final Activity getParent() {
         return mParent;
     }
diff --git a/core/java/android/app/AutomaticZenRule.java b/core/java/android/app/AutomaticZenRule.java
index 343348b..f9ab55e 100644
--- a/core/java/android/app/AutomaticZenRule.java
+++ b/core/java/android/app/AutomaticZenRule.java
@@ -70,6 +70,8 @@
     public static final int TYPE_SCHEDULE_CALENDAR = 2;
     /**
      * The type for rules triggered by bedtime/sleeping, like time of day, or snore detection.
+     *
+     * <p>Only the 'Wellbeing' app may own rules of this type.
      */
     @FlaggedApi(Flags.FLAG_MODES_API)
     public static final int TYPE_BEDTIME = 3;
@@ -95,6 +97,8 @@
     /**
      * The type for rules created and managed by a device owner. These rules may not be fully
      * editable by the device user.
+     *
+     * <p>Only a 'Device Owner' app may own rules of this type.
      */
     @FlaggedApi(Flags.FLAG_MODES_API)
     public static final int TYPE_MANAGED = 7;
diff --git a/core/java/android/app/admin/DevicePolicyManager.java b/core/java/android/app/admin/DevicePolicyManager.java
index 4a6349b1..5c42b0e 100644
--- a/core/java/android/app/admin/DevicePolicyManager.java
+++ b/core/java/android/app/admin/DevicePolicyManager.java
@@ -2598,8 +2598,8 @@
      * There can be at most one app that has this delegation.
      * If another app already had delegated certificate selection access,
      * it will lose the delegation when a new app is delegated.
-     * <p> The delegaetd app can also call {@link #grantKeyPairToApp} and
-     * {@link #revokeKeyPairFromApp} to directly grant KeyCain keys to other apps.
+     * <p> The delegated app can also call {@link #grantKeyPairToApp} and
+     * {@link #revokeKeyPairFromApp} to directly grant KeyChain keys to other apps.
      * <p> Can be granted by Device Owner or Profile Owner.
      */
     public static final String DELEGATION_CERT_SELECTION = "delegation-cert-selection";
diff --git a/core/java/com/android/internal/foldables/FoldGracePeriodProvider.java b/core/java/com/android/internal/foldables/FoldGracePeriodProvider.java
new file mode 100644
index 0000000..53164f3
--- /dev/null
+++ b/core/java/com/android/internal/foldables/FoldGracePeriodProvider.java
@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.internal.foldables;
+
+import android.os.Build;
+import android.sysprop.FoldLockBehaviorProperties;
+import android.util.Slog;
+
+import com.android.internal.foldables.flags.Flags;
+
+import java.util.function.Supplier;
+
+/**
+ * Wrapper class to access {@link FoldLockBehaviorProperties}.
+ */
+public class FoldGracePeriodProvider {
+
+    private static final String TAG = "FoldGracePeriodProvider";
+    private final Supplier<Boolean> mFoldGracePeriodEnabled = Flags::foldGracePeriodEnabled;
+
+    /**
+     * Whether the fold grace period feature is enabled.
+     */
+    public boolean isEnabled() {
+        if ((Build.IS_ENG || Build.IS_USERDEBUG)
+                && FoldLockBehaviorProperties.fold_grace_period_enabled().orElse(false)) {
+            return true;
+        }
+        try {
+            return mFoldGracePeriodEnabled.get();
+        } catch (Throwable ex) {
+            Slog.i(TAG,
+                    "Flags not ready yet. Return false for "
+                            + Flags.FLAG_FOLD_GRACE_PERIOD_ENABLED,
+                    ex);
+            return false;
+        }
+    }
+}
diff --git a/core/java/com/android/internal/foldables/fold_lock_setting_flags.aconfig b/core/java/com/android/internal/foldables/fold_lock_setting_flags.aconfig
index 44f436ea..d73e623 100644
--- a/core/java/com/android/internal/foldables/fold_lock_setting_flags.aconfig
+++ b/core/java/com/android/internal/foldables/fold_lock_setting_flags.aconfig
@@ -7,3 +7,11 @@
     bug: "274447767"
     is_fixed_read_only: true
 }
+
+flag {
+    name: "fold_grace_period_enabled"
+    namespace: "display_manager"
+    description: "Feature flag for Folding Grace Period"
+    bug: "308417021"
+    is_fixed_read_only: true
+}
diff --git a/core/sysprop/FoldLockBehaviorProperties.sysprop b/core/sysprop/FoldLockBehaviorProperties.sysprop
index d337954..120e4bb 100644
--- a/core/sysprop/FoldLockBehaviorProperties.sysprop
+++ b/core/sysprop/FoldLockBehaviorProperties.sysprop
@@ -22,3 +22,11 @@
     scope: Internal
     access: Readonly
 }
+
+prop {
+    api_name: "fold_grace_period_enabled"
+    type: Boolean
+    prop_name: "persist.fold_grace_period_enabled"
+    scope: Internal
+    access: Readonly
+}
diff --git a/data/etc/preinstalled-packages-platform.xml b/data/etc/preinstalled-packages-platform.xml
index 421bc25..bf60944 100644
--- a/data/etc/preinstalled-packages-platform.xml
+++ b/data/etc/preinstalled-packages-platform.xml
@@ -128,4 +128,9 @@
     <install-in-user-type package="com.android.wallpaperbackup">
         <install-in user-type="FULL" />
     </install-in-user-type>
+
+    <!-- AvatarPicker (AvatarPicker app)-->
+    <install-in-user-type package="com.android.avatarpicker">
+        <install-in user-type="FULL" />
+    </install-in-user-type>
 </config>
diff --git a/packages/SystemUI/src/com/android/systemui/dagger/SystemUIModule.java b/packages/SystemUI/src/com/android/systemui/dagger/SystemUIModule.java
index a25c788..92300ef 100644
--- a/packages/SystemUI/src/com/android/systemui/dagger/SystemUIModule.java
+++ b/packages/SystemUI/src/com/android/systemui/dagger/SystemUIModule.java
@@ -112,6 +112,7 @@
 import com.android.systemui.statusbar.notification.row.dagger.ExpandableNotificationRowComponent;
 import com.android.systemui.statusbar.notification.row.dagger.NotificationRowComponent;
 import com.android.systemui.statusbar.phone.CentralSurfaces;
+import com.android.systemui.statusbar.phone.ConfigurationControllerModule;
 import com.android.systemui.statusbar.phone.LetterboxModule;
 import com.android.systemui.statusbar.phone.NotificationIconAreaControllerModule;
 import com.android.systemui.statusbar.pipeline.dagger.StatusBarPipelineModule;
@@ -178,6 +179,7 @@
         ClockRegistryModule.class,
         CommunalModule.class,
         CommonDataLayerModule.class,
+        ConfigurationControllerModule.class,
         ConnectivityModule.class,
         ControlsModule.class,
         CoroutinesModule.class,
diff --git a/packages/SystemUI/src/com/android/systemui/shade/NotificationPanelViewController.java b/packages/SystemUI/src/com/android/systemui/shade/NotificationPanelViewController.java
index 286037e..fb6bc38 100644
--- a/packages/SystemUI/src/com/android/systemui/shade/NotificationPanelViewController.java
+++ b/packages/SystemUI/src/com/android/systemui/shade/NotificationPanelViewController.java
@@ -2478,6 +2478,13 @@
             return 0;
         }
         if (!mKeyguardBypassController.getBypassEnabled()) {
+            if (migrateClocksToBlueprint()) {
+                View nsslPlaceholder = mView.getRootView().findViewById(R.id.nssl_placeholder);
+                if (!mSplitShadeEnabled && nsslPlaceholder != null) {
+                    return nsslPlaceholder.getTop();
+                }
+            }
+
             return mClockPositionResult.stackScrollerPadding;
         }
         int collapsedPosition = mHeadsUpInset;
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/ConfigurationControllerModule.kt b/packages/SystemUI/src/com/android/systemui/statusbar/phone/ConfigurationControllerModule.kt
new file mode 100644
index 0000000..fc3456a
--- /dev/null
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/ConfigurationControllerModule.kt
@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.systemui.statusbar.phone
+
+import com.android.systemui.CoreStartable
+import dagger.Binds
+import dagger.Module
+import dagger.multibindings.ClassKey
+import dagger.multibindings.IntoMap
+
+@Module
+interface ConfigurationControllerModule {
+
+    /** Starts [ConfigurationControllerStartable] */
+    @Binds
+    @IntoMap
+    @ClassKey(ConfigurationControllerStartable::class)
+    fun bindConfigControllerStartable(impl: ConfigurationControllerStartable): CoreStartable
+}
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/dagger/StatusBarPhoneModule.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/dagger/StatusBarPhoneModule.java
index b048da492..942d186 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/dagger/StatusBarPhoneModule.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/dagger/StatusBarPhoneModule.java
@@ -16,16 +16,12 @@
 
 package com.android.systemui.statusbar.phone.dagger;
 
-import com.android.systemui.CoreStartable;
 import com.android.systemui.dagger.SysUISingleton;
 import com.android.systemui.statusbar.phone.CentralSurfaces;
 import com.android.systemui.statusbar.phone.CentralSurfacesImpl;
-import com.android.systemui.statusbar.phone.ConfigurationControllerStartable;
 
 import dagger.Binds;
 import dagger.Module;
-import dagger.multibindings.ClassKey;
-import dagger.multibindings.IntoMap;
 
 /**
  * Dagger Module providing {@link CentralSurfacesImpl}.
@@ -38,12 +34,4 @@
     @Binds
     @SysUISingleton
     CentralSurfaces bindsCentralSurfaces(CentralSurfacesImpl impl);
-
-    /**
-     * Starts {@link ConfigurationControllerStartable}
-     */
-    @Binds
-    @IntoMap
-    @ClassKey(ConfigurationControllerStartable.class)
-    CoreStartable bindConfigControllerStartable(ConfigurationControllerStartable impl);
 }
diff --git a/packages/SystemUI/unfold/src/com/android/systemui/unfold/progress/UnfoldRemoteFilter.kt b/packages/SystemUI/unfold/src/com/android/systemui/unfold/progress/UnfoldRemoteFilter.kt
index 843cc3b..54d8054 100644
--- a/packages/SystemUI/unfold/src/com/android/systemui/unfold/progress/UnfoldRemoteFilter.kt
+++ b/packages/SystemUI/unfold/src/com/android/systemui/unfold/progress/UnfoldRemoteFilter.kt
@@ -41,8 +41,6 @@
             if (inProgress) {
                 logCounter({ "$TAG#filtered_progress" }, newProgress)
                 listener.onTransitionProgress(newProgress)
-            } else {
-                Log.e(TAG, "Filtered progress received received while animation not in progress.")
             }
             field = newProgress
         }
diff --git a/services/core/java/com/android/server/wm/ActivityRecord.java b/services/core/java/com/android/server/wm/ActivityRecord.java
index 155d193..b8a92bb 100644
--- a/services/core/java/com/android/server/wm/ActivityRecord.java
+++ b/services/core/java/com/android/server/wm/ActivityRecord.java
@@ -2492,7 +2492,14 @@
 
         ProtoLog.v(WM_DEBUG_STARTING_WINDOW, "Creating SnapshotStartingData");
         mStartingData = new SnapshotStartingData(mWmService, snapshot, typeParams);
-        if (task.forAllLeafTaskFragments(TaskFragment::isEmbedded)) {
+        if ((!mStyleFillsParent && task.getChildCount() > 1)
+                || task.forAllLeafTaskFragments(TaskFragment::isEmbedded)) {
+            // Case 1:
+            // If it is moving a Task{[0]=main activity, [1]=translucent activity} to front, use
+            // shared starting window so that the transition doesn't need to wait for the activity
+            // behind the translucent activity. Also, onFirstWindowDrawn will check all visible
+            // activities are drawn in the task to remove the snapshot starting window.
+            // Case 2:
             // Associate with the task so if this activity is resized by task fragment later, the
             // starting window can keep the same bounds as the task.
             associateStartingDataWithTask();
@@ -10615,6 +10622,13 @@
 
     @Override
     boolean isSyncFinished(BLASTSyncEngine.SyncGroup group) {
+        if (task != null && task.mSharedStartingData != null) {
+            final WindowState startingWin = task.topStartingWindow();
+            if (startingWin != null && startingWin.isSyncFinished(group)) {
+                // The sync is ready if a drawn starting window covered the task.
+                return true;
+            }
+        }
         if (!super.isSyncFinished(group)) return false;
         if (mDisplayContent != null && mDisplayContent.mUnknownAppVisibilityController
                 .isVisibilityUnknown(this)) {
diff --git a/services/core/java/com/android/server/wm/ActivityStarter.java b/services/core/java/com/android/server/wm/ActivityStarter.java
index d90d017..13f7152 100644
--- a/services/core/java/com/android/server/wm/ActivityStarter.java
+++ b/services/core/java/com/android/server/wm/ActivityStarter.java
@@ -993,17 +993,6 @@
             }
         }
 
-        if (Flags.archiving()) {
-            PackageArchiver packageArchiver = mService
-                    .getPackageManagerInternalLocked()
-                    .getPackageArchiver();
-            if (packageArchiver.isIntentResolvedToArchivedApp(intent, mRequest.userId)) {
-                return packageArchiver
-                        .requestUnarchiveOnActivityStart(
-                                intent, callingPackage, mRequest.userId, realCallingUid);
-            }
-        }
-
         final int launchFlags = intent.getFlags();
         if ((launchFlags & Intent.FLAG_ACTIVITY_FORWARD_RESULT) != 0 && sourceRecord != null) {
             // Transfer the result target from the source activity to the new one being started,
@@ -1045,6 +1034,17 @@
         }
 
         if (err == ActivityManager.START_SUCCESS && aInfo == null) {
+            if (Flags.archiving()) {
+                PackageArchiver packageArchiver = mService
+                        .getPackageManagerInternalLocked()
+                        .getPackageArchiver();
+                if (packageArchiver.isIntentResolvedToArchivedApp(intent, mRequest.userId)) {
+                    return packageArchiver
+                            .requestUnarchiveOnActivityStart(
+                                    intent, callingPackage, mRequest.userId, realCallingUid);
+                }
+            }
+
             // We couldn't find the specific class specified in the Intent.
             // Also the end of the line.
             err = ActivityManager.START_CLASS_NOT_FOUND;
diff --git a/services/core/java/com/android/server/wm/Task.java b/services/core/java/com/android/server/wm/Task.java
index d556f09..3b06343 100644
--- a/services/core/java/com/android/server/wm/Task.java
+++ b/services/core/java/com/android/server/wm/Task.java
@@ -1411,12 +1411,13 @@
         return isUidPresent;
     }
 
+    WindowState topStartingWindow() {
+        return getWindow(w -> w.mAttrs.type == TYPE_APPLICATION_STARTING);
+    }
+
     ActivityRecord topActivityContainsStartingWindow() {
-        if (getParent() == null) {
-            return null;
-        }
-        return getActivity((r) -> r.getWindow(window ->
-                window.getBaseType() == TYPE_APPLICATION_STARTING) != null);
+        final WindowState startingWindow = topStartingWindow();
+        return startingWindow != null ? startingWindow.mActivityRecord : null;
     }
 
     /**
diff --git a/services/tests/wmtests/src/com/android/server/wm/SyncEngineTests.java b/services/tests/wmtests/src/com/android/server/wm/SyncEngineTests.java
index 810cbe8..0f1e4d1 100644
--- a/services/tests/wmtests/src/com/android/server/wm/SyncEngineTests.java
+++ b/services/tests/wmtests/src/com/android/server/wm/SyncEngineTests.java
@@ -16,6 +16,7 @@
 
 package com.android.server.wm;
 
+import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION_STARTING;
 import static android.view.WindowManager.LayoutParams.TYPE_BASE_APPLICATION;
 
 import static com.android.dx.mockito.inline.extended.ExtendedMockito.doReturn;
@@ -137,6 +138,25 @@
     }
 
     @Test
+    public void testFinishSyncByStartingWindow() {
+        final ActivityRecord taskRoot = new ActivityBuilder(mAtm).setCreateTask(true).build();
+        final Task task = taskRoot.getTask();
+        final ActivityRecord translucentTop = new ActivityBuilder(mAtm).setTask(task)
+                .setActivityTheme(android.R.style.Theme_Translucent).build();
+        createWindow(null, TYPE_BASE_APPLICATION, taskRoot, "win");
+        final WindowState startingWindow = createWindow(null, TYPE_APPLICATION_STARTING,
+                translucentTop, "starting");
+        startingWindow.mStartingData = new SnapshotStartingData(mWm, null, 0);
+        task.mSharedStartingData = startingWindow.mStartingData;
+        task.prepareSync();
+
+        final BLASTSyncEngine.SyncGroup group = mock(BLASTSyncEngine.SyncGroup.class);
+        assertFalse(task.isSyncFinished(group));
+        startingWindow.onSyncFinishedDrawing();
+        assertTrue(task.isSyncFinished(group));
+    }
+
+    @Test
     public void testInvisibleSyncCallback() {
         TestWindowContainer mockWC = new TestWindowContainer(mWm, true /* waiter */);